Ben O’Connor is a trial attorney who brings a wide array of experience in service of Hilliard Martinez Gonzales LLP’s mission of advocating for those who have been harmed and championing their pursuit of justice. He has litigated in state and federal trial and appellate courts throughout the country.

Prior to joining the HMG team in 2020, Ben was an attorney at Kirkland & Ellis LLP, one of the world’s largest law firms. At Kirkland, Ben worked on various types of cases, including class action litigation, multi-district personal injury litigation, pharmaceutical litigation, bankruptcy proceedings, and private equity contract disputes. He also conducted internal investigations and was a member of a federal court monitor team. Ben also maintained an active pro bono practice at Kirkland, focusing on pursuing postconviction relief for criminal defendants and obtaining early releases from prison for multiple clients.

Ben began his law career at the United States Court of Appeals for the Seventh Circuit in Chicago, serving as a law clerk for the Honorable William J. Bauer, former Chief Judge of the Seventh Circuit, United States Attorney for the Northern District of Illinois, and State’s Attorney For DuPage County (Illinois). During law school, he was Editor-in-Chief of The John Marshall Law Review, worked for multiple litigation firms in Chicago, and externed for Judge Amy J. St. Eve (now on the Seventh Circuit) on the United States District Court for the Northern District of Illinois.

Born and raised in Chicagoland, Ben resides in the northern suburbs of Chicago with his wife and two children. He serves on the Board of Directors for the Foundation For Angelman Syndrome Therapeutics (FAST), a nonprofit organization dedicated to funding research for treating Angelman syndrome, a rare neurogenetic disorder causing developmental delays, intellectual disability, severe speech impairment, and movement and balance difficulties. Ben’s son, Ryan, has Angelman syndrome.

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